Quality Engineer

Job Description

Contract: B2B, long termStart date: mid-August Mode: hybrid (2 days per week at the office in Warsaw)Introduction & Summary:A highly skilled Quality Engineer is sought to join a dynamic team focused on test automation and quality assurance. This role emphasizes expertise in API, frontend, integration, and end-to-end testing, with a strong focus on non-functional testing aspects such as performance and security. Ideal candidates will possess a collaborative mindset and a commitment to quality from the onset of the development process.Main Responsibilities:Executing API, frontend, integration, and end-to-end test automation.Performing contract testing and schema validation.Defining acceptance criteria from specifications.Validating workflows, state transitions, authorizations, and audits.Conducting data quality and traceability testing.Implementing CI/CD quality gates and ensuring release readiness.Carrying out non-functional testing for performance, reliability, and security.Evaluating AI/agent performance including quality recommendations and validations.Key Requirements:Experience in spec-driven development mindset.Knowledge of contract-first delivery methodologies.Proficiency in .NET, React, and API-first delivery.Understanding of agentic workflow and human-in-the-loop governance.Commitment to auditability, traceability, and explainability by design.Nice to Have:Experience in cross-capability collaboration.A strong quality and validation culture.